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The Journal of Obstetrics and Gynecology of India

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01-10-2019 | Preterm Labor | Original Article

The Relationship of Pregnancy-Associated Plasma Protein A and Human Chorionic Gonadotropin with Adverse Pregnancy Outcomes: A Prospective Study

Authors: Hamideh Pakniat, MD, Atieh Bahman, MD, Iman Ansari, MD

Published in: The Journal of Obstetrics and Gynecology of India | Issue 5/2019

Abstract

Purpose

This prospective study investigated the relationship between pregnancy-associated plasma protein A (PAPP-A) and human chorionic gonadotropin (hCG) and adverse pregnancy outcomes in the Iranian population.

Materials

Overall, 994 singleton pregnant mothers of 18–35-year old were referred for first-trimester screening tests, including PAPP-A and β-hCG, at the age of 6 days and 11–13 weeks, and were followed until the end of their pregnancy. The adverse pregnancy outcomes, PAPP-A, and β-hCG serum levels were recorded and analyzed. The sensitivity and specificity of the test were measured by calculating the area under the curve of receiver operating characteristic curve (ROC).

Results

The mean serum level of PAPP-A and β-hCG was 1.10 ± 0.69 and 1.09 ± 0.8 MoM, respectively. Pregnancy-associated plasma protein A, regardless of its percentile, showed a significant relationship with the incidence of preeclampsia, preterm birth, and fetal low birth weight (p < 0.001 for each). However, the relationship between PAPP-A and abortion was not significant (p > 0.05). According to ROC, the results indicated that PAPP-A had a significant relationship with the incidence of preeclampsia, preterm birth, and fetal low birth weight (p < 0.001). However, β-hCG levels showed no significant relationship with adverse pregnancy outcomes.

Conclusions

The result of this study revealed that lower level of PAPP-A and β-hCG could be a predictive factor in preterm labor. Also, this study indicated that PAPP-A measurements could be a screening test for adverse pregnancy outcomes, such as preeclampsia, low birth weight and preterm labor.

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Title: The Relationship of Pregnancy-Associated Plasma Protein A and Human Chorionic Gonadotropin with Adverse Pregnancy Outcomes: A Prospective Study
Authors: Hamideh Pakniat, MD
Atieh Bahman, MD
Iman Ansari, MD
Publication date: 01-10-2019
Publisher: Springer India
Keywords: Preterm Labor
Premature Birth
Pre-Eclampsia
Published in: The Journal of Obstetrics and Gynecology of India / Issue 5/2019
Print ISSN: 0971-9202
Electronic ISSN: 0975-6434
DOI: https://doi.org/10.1007/s13224-019-01217-3

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The Relationship of Pregnancy-Associated Plasma Protein A and Human Chorionic Gonadotropin with Adverse Pregnancy Outcomes: A Prospective Study

Abstract

Purpose

Materials

Results

Conclusions

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Abstract

Purpose

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